LG Electronics PACKAGED TERMINAL AIR CONDITIONER/HEAT PUMP Room AIR Conditioner Voltage Limits

			Maintenance and Service
	COMPLAINT	CAUSE	REMEDY
		■ Voltage	• Check the voltage. See the limits on the preceding
			page. If not within limits, call an electrician.
		■ Overload	• Check overload, if externally mounted.
			Replace if open. (If the compressor temperature is
			high, remove the overload, cool, and retest.)
		■ Fan motor	• If not running, determine the cause. Replace if
Compressor			required.
cycles on		■ Condenser air flow	• Remove the cabinet. inspect the interior surface of the
overload.		restriction	condenser; if restricted, clean carefully with a vacuum
			cleaner (do not damage fins) or brush. Clean the
			interior base before reassembling.
		■ Condenser fins	• If condenser fins are closed over a large area on the
		(damaged)	coil surface, head pressures will increase, causing the
			compressor to cycle. Straighten the fins or replace the
			coil.
		■ Capacitor	• Test capacitor.
		■ Wiring	• Check the terminals. If loose, repair or replace.
		■ Refrigerating system	• Check the system for a restriction.
		■ Air filter	• If restricted, clean or replace.
Insufficient		■Exhaust damper door	• Close if open.
cooling or heating		■Unit undersized	• Determine if the unit is properly sized for the area to
			be cooled.
		■Cross flow fan	• Check the set screw or clamp. If loose or missing,
			correct. If the blower or fan is hitting air guide,
Excessive noise.			rearrange the air handling parts.
		■Copper tubing	• Carefully rearrange tubing not to contact, compressor,
			shroud, and barrier.

ROOM AIR CONDITIONER VOLTAGE LIMITS

NAME PLATE RATING	MINIMUM	MAXIMUM
208/230 V	187 V	253 V

ENGLISH

Owner’s Manual 23